| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.hadoop.ipc; |
| |
| import static org.apache.hadoop.test.MetricsAsserts.getMetrics; |
| import static org.apache.hadoop.test.MetricsAsserts.assertCounterGt; |
| |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.ipc.RpcPayloadHeader.RpcKind; |
| import org.apache.hadoop.ipc.protobuf.TestProtos.EchoRequestProto; |
| import org.apache.hadoop.ipc.protobuf.TestProtos.EchoResponseProto; |
| import org.apache.hadoop.ipc.protobuf.TestProtos.EmptyRequestProto; |
| import org.apache.hadoop.ipc.protobuf.TestProtos.EmptyResponseProto; |
| import org.apache.hadoop.ipc.protobuf.TestRpcServiceProtos.TestProtobufRpcProto; |
| import org.apache.hadoop.ipc.protobuf.TestRpcServiceProtos.TestProtobufRpc2Proto; |
| import org.apache.hadoop.metrics2.MetricsRecordBuilder; |
| import org.apache.hadoop.net.NetUtils; |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.junit.Before; |
| import org.junit.After; |
| |
| import com.google.protobuf.BlockingService; |
| import com.google.protobuf.RpcController; |
| import com.google.protobuf.ServiceException; |
| |
| /** |
| * Test for testing protocol buffer based RPC mechanism. |
| * This test depends on test.proto definition of types in src/test/proto |
| * and protobuf service definition from src/test/test_rpc_service.proto |
| */ |
| public class TestProtoBufRpc { |
| public final static String ADDRESS = "0.0.0.0"; |
| public final static int PORT = 0; |
| private static InetSocketAddress addr; |
| private static Configuration conf; |
| private static RPC.Server server; |
| |
| @ProtocolInfo(protocolName = "testProto", protocolVersion = 1) |
| public interface TestRpcService |
| extends TestProtobufRpcProto.BlockingInterface { |
| } |
| |
| @ProtocolInfo(protocolName = "testProto2", protocolVersion = 1) |
| public interface TestRpcService2 extends |
| TestProtobufRpc2Proto.BlockingInterface { |
| } |
| |
| public static class PBServerImpl implements TestRpcService { |
| |
| @Override |
| public EmptyResponseProto ping(RpcController unused, |
| EmptyRequestProto request) throws ServiceException { |
| return EmptyResponseProto.newBuilder().build(); |
| } |
| |
| @Override |
| public EchoResponseProto echo(RpcController unused, EchoRequestProto request) |
| throws ServiceException { |
| return EchoResponseProto.newBuilder().setMessage(request.getMessage()) |
| .build(); |
| } |
| |
| @Override |
| public EmptyResponseProto error(RpcController unused, |
| EmptyRequestProto request) throws ServiceException { |
| throw new ServiceException("error", new RpcServerException("error")); |
| } |
| } |
| |
| public static class PBServer2Impl implements TestRpcService2 { |
| |
| @Override |
| public EmptyResponseProto ping2(RpcController unused, |
| EmptyRequestProto request) throws ServiceException { |
| return EmptyResponseProto.newBuilder().build(); |
| } |
| |
| @Override |
| public EchoResponseProto echo2(RpcController unused, EchoRequestProto request) |
| throws ServiceException { |
| return EchoResponseProto.newBuilder().setMessage(request.getMessage()) |
| .build(); |
| } |
| } |
| |
| @Before |
| public void setUp() throws IOException { // Setup server for both protocols |
| conf = new Configuration(); |
| // Set RPC engine to protobuf RPC engine |
| RPC.setProtocolEngine(conf, TestRpcService.class, ProtobufRpcEngine.class); |
| |
| // Create server side implementation |
| PBServerImpl serverImpl = new PBServerImpl(); |
| BlockingService service = TestProtobufRpcProto |
| .newReflectiveBlockingService(serverImpl); |
| |
| // Get RPC server for server side implementation |
| server = RPC.getServer(TestRpcService.class, service, ADDRESS, PORT, conf); |
| addr = NetUtils.getConnectAddress(server); |
| |
| // now the second protocol |
| PBServer2Impl server2Impl = new PBServer2Impl(); |
| BlockingService service2 = TestProtobufRpc2Proto |
| .newReflectiveBlockingService(server2Impl); |
| |
| server.addProtocol(RpcKind.RPC_PROTOCOL_BUFFER, TestRpcService2.class, |
| service2); |
| server.start(); |
| } |
| |
| |
| @After |
| public void tearDown() throws Exception { |
| server.stop(); |
| } |
| |
| private static TestRpcService getClient() throws IOException { |
| // Set RPC engine to protobuf RPC engine |
| RPC.setProtocolEngine(conf, TestRpcService.class, |
| ProtobufRpcEngine.class); |
| return RPC.getProxy(TestRpcService.class, 0, addr, |
| conf); |
| } |
| |
| private static TestRpcService2 getClient2() throws IOException { |
| // Set RPC engine to protobuf RPC engine |
| RPC.setProtocolEngine(conf, TestRpcService2.class, |
| ProtobufRpcEngine.class); |
| return RPC.getProxy(TestRpcService2.class, 0, addr, |
| conf); |
| } |
| |
| @Test |
| public void testProtoBufRpc() throws Exception { |
| TestRpcService client = getClient(); |
| testProtoBufRpc(client); |
| } |
| |
| // separated test out so that other tests can call it. |
| public static void testProtoBufRpc(TestRpcService client) throws Exception { |
| // Test ping method |
| EmptyRequestProto emptyRequest = EmptyRequestProto.newBuilder().build(); |
| client.ping(null, emptyRequest); |
| |
| // Test echo method |
| EchoRequestProto echoRequest = EchoRequestProto.newBuilder() |
| .setMessage("hello").build(); |
| EchoResponseProto echoResponse = client.echo(null, echoRequest); |
| Assert.assertEquals(echoResponse.getMessage(), "hello"); |
| |
| // Test error method - error should be thrown as RemoteException |
| try { |
| client.error(null, emptyRequest); |
| Assert.fail("Expected exception is not thrown"); |
| } catch (ServiceException e) { |
| RemoteException re = (RemoteException)e.getCause(); |
| RpcServerException rse = (RpcServerException) re |
| .unwrapRemoteException(RpcServerException.class); |
| } |
| } |
| |
| @Test |
| public void testProtoBufRpc2() throws Exception { |
| TestRpcService2 client = getClient2(); |
| |
| // Test ping method |
| EmptyRequestProto emptyRequest = EmptyRequestProto.newBuilder().build(); |
| client.ping2(null, emptyRequest); |
| |
| // Test echo method |
| EchoRequestProto echoRequest = EchoRequestProto.newBuilder() |
| .setMessage("hello").build(); |
| EchoResponseProto echoResponse = client.echo2(null, echoRequest); |
| Assert.assertEquals(echoResponse.getMessage(), "hello"); |
| |
| // Ensure RPC metrics are updated |
| MetricsRecordBuilder rpcMetrics = getMetrics(server.getRpcMetrics().name()); |
| assertCounterGt("RpcQueueTimeNumOps", 0L, rpcMetrics); |
| assertCounterGt("RpcProcessingTimeNumOps", 0L, rpcMetrics); |
| |
| MetricsRecordBuilder rpcDetailedMetrics = |
| getMetrics(server.getRpcDetailedMetrics().name()); |
| assertCounterGt("Echo2NumOps", 0L, rpcDetailedMetrics); |
| } |
| } |